#bx {
    width: 1190px;
    height: 100%;
    margin: 0 auto;
    /* background-color: #ff0;   */
    position: relative;
}

#nav {
    width: 100%;
    height: 70px;
    background: #f5f5f5;

}

#nav ul {
    margin-left: 170px;

}
#nav label{
    position: absolute;
    top: 0;
    left: 190px;
}
#nav ul li {
    width: 100px;
    height: 70px;
    float: left;
}

#nav ul li img {
    width: 140px;
    height: 90px;
    margin-left: -90px;
    margin-top: -10px;
}

#nav a {
    line-height: 70px;
    color: #6c6c6c;
    font-size: 20px;
}

#nav input {
    padding-top: 10px;
    padding-right: 300px;
    margin: 13px;
    margin-left:450px;
    background-position: -70px 100px;
}
#nav input[type='text']{
    position: absolute;
    width: 20px;
    margin-left: 800px;
    top: 0;
    left: 0;
}
#nav button {
    width: 55px;
    height: 41px;
    position: absolute; 
    margin-left: 1067px;
    top: 13px;
    left: 0;
}

#body {
    width: 150px;
    height: 600px;
    /* border: 1px solid red; */
    position: absolute;
    text-align: center;
    line-height: 50px;
    /* margin-right: 1px; */
    float: left;
    left: 30px;
}
#body dd:hover{
    background: rgb(72, 212, 166);
}
#body dd:hover a{
    color: #fff;
}
#nav li:hover a{
    color: rgb(76, 212, 166);
    
}
#body .gn {
    font-size: 20px;
}

#body a {
    color: #6c6c6c;
}

main {
    margin: 10px auto;
    width: 800px;
    box-shadow: 1px 2px 5px rgb(72, 212, 166);
    overflow: hidden;
}

h2 {
    text-align: center;
    margin: 20px auto;
}

table {
    width: 740px;
    margin: 0px auto;
}

main table tr {
    height: 30px;
}

table tr td:nth-child(1) {
    padding: 0 20px;
    text-align: right;
}

input[type='text'] {
    width: 600px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 2px;
}
textarea {
    max-width: 600px;
    min-width: 600px;
    min-height: 77px;
    max-height: 150px;
    overflow: hidden;
}
input[type='button'] {
    border: 0;
    width: 80px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    border-radius: 2px;
    margin: 10px 540px;
    background-color: rgb(72, 212, 166);
}